BIFFI RPS - User Manual

1 GENERAL WARNINGS
IMPORTANT
The manual is an integral part of the machine.It
should be read carefully before carrying out any
operation and should be kept for future reference.
1.1 Generalities
Biffi actuators are conceived, manufactured
and controlled according to the Quality Control
System in compliance with EN ISO 9001
international regulation.
TABLE OF CONTENTS
1. General warnings .......................................... 1
2. Installation ..................................................... 4
3. Operation and use ......................................... 8
4. Operational tests and inspections.............. 11
5. Maintenance. ............................................... 11
6. Troubleshooting .......................................... 16
7. Layouts ......................................................... 16
8. Date report for maintenance operations ... 21
RPS SPRING RETURN PNEUMATIC ACTUATOR
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Before installation these instructions must be fully read and understood
VCIOM-03749-EN 17/12
1.1.2 Terms and conditions
Biffi guarantees that all the items produced
are free of defects in workmanship and
manufacturing materials and meet relevant
current specifications, provided they are
installed, used and serviced according to the
instructions contained in the present manual.
The warranty can last either one year from
the date of installation by the initial user of the
product, or eighteen months from the date
of shipment to the initial user, depending on
which event occurs first. All detailed warranty
conditions are specified in the documentation
forwarded together with the product. This
warranty does not cover special products or
components not warranted by subcontractors,
or materials that were used or installed
improperly or were modified or repaired by
unauthorized staff. In the event that a fault
condition be caused by improper installation,
maintenance or use, or by irregular working
conditions, the repairs will be charged
according to applicable fees.
1.1.1 Applicable regulation
EN ISO 12100-1: 2005: Safety of machinery -
Basic notions, general design principles.
Part 1 - Basic terminology, method.
EN ISO 12100-2: 2005: Safety of machinery -
Basic notions, general design principles.
Part 2 - Technical principles and specification.
2006/42/EC: Machine directive.
97/23/EC: Directive for pressure equipment
(PED).
2006/95/EC: Directive for low voltage
equipment.
2004/108/EC: Directive for the electromagnetic
compatibility.
94/9/EC: Directive and safety instructions
for use in hazardous area.
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BIFFI RPS Specifications

General

Brand	BIFFI
Model	RPS
Category	Controller
Language	English

Summary

1 GENERAL WARNINGS

1.1 Generalities

Actuators manufactured according to Quality Control System in compliance with EN ISO 9001 international regulation.

1.1.2 Terms and conditions

Biffi guarantees products are free of defects if installed and serviced according to manual; warranty details.

1.2 Identification plate

Details the information and marks on the actuator's identification plate, forbidding unauthorized modification.

1.3 Introducing the actuator

Describes RPS actuators as pneumatic low-pressure spring return units for quarter-turn applications.

2 INSTALLATION

2.1 Checks upon actuator receipt

Instructs to check model, serial number, fittings, and condition of actuator upon receipt against order confirmation.

2.2 Actuator handling

Provides guidelines for safe handling and lifting of actuators, emphasizing qualified staff and appropriate means.

2.3 Storage

Provides steps for storing actuators, including surface protection, plug presence, and protection from weather.

2.4 Actuator assembly on the valve

Details the process of assembling the actuator to the valve, including flange coupling and use of specified hardware.

3 OPERATION AND USE

3.1 Operation description

Explains how pneumatic pressure and spring action drive the piston and rack-and-pinion mechanism for valve operation.

3.2 Residual risks

Warns about parts under pressure and the need for individual protections during operation, emphasizing caution.

3.4 Calibration of the angular stroke

Details how to adjust mechanical stops for fully open/closed valve positions using travel stop screws.

4 OPERATIONAL TESTS AND INSPECTIONS

5 MAINTENANCE

5.1 Periodic maintenance

Actuators require minimal maintenance; periodic inspections are influenced by environment and working conditions.

5.2 Extraordinary maintenance

Details procedures for disassembling the actuator and replacing seals due to leaks or malfunctions.

5.3 Lubrication of mechanism

Provides guidance on re-lubricating the rack-and-pinion mechanism for high load/frequency operations, with grease specifications.

6 TROUBLESHOOTING

6.1 Failure or breakdown research

Presents a table of common events, possible causes, and remedies for actuator malfunctions and operational issues.

7 LAYOUTS

7.1 Spare parts order

Instructs on how to order spare parts, requiring actuator model, order confirmation, and serial number for specific parts.